/**
 * Помощник для работы с url
 *
 * @author neon
 */
var Helper_Url = {
    /**
     * http://kevin.vanzonneveld.net
     * +      original by: Steven Levithan (http://blog.stevenlevithan.com)
     * + reimplemented by: Brett Zamir (http://brett-zamir.me)
     * + input by: Lorenzo Pisani
     * + input by: Tony
     * + improved by: Brett Zamir (http://brett-zamir.me)
     * %          note: Based on http://stevenlevithan.com/demo/parseuri/js/assets/parseuri.js
     * %          note: blog post at http://blog.stevenlevithan.com/archives/parseuri
     * %          note: demo at http://stevenlevithan.com/demo/parseuri/js/assets/parseuri.js
     * %          note: Does not replace invalid characters with '_' as in PHP, nor does it return false with
     * %          note: a seriously malformed URL.
     * %          note: Besides function name, is essentially the same as parseUri as well as our allowing
     * %          note: an extra slash after the scheme/protocol (to allow file:/// as in PHP)
     * *     example 1: parse_url('http://username:password@hostname/path?arg=value#anchor');
     * *     returns 1: {scheme: 'http', host: 'hostname', user: 'username', pass: 'password', path: '/path', query: 'arg=value', fragment: 'anchor'}
     */
    parse_url: function(str, component) {
        var key = ['source', 'scheme', 'authority', 'userInfo', 'user', 'pass', 'host', 'port',
        'relative', 'path', 'directory', 'file', 'query', 'fragment'],
        ini = (this.php_js && this.php_js.ini) || {},
        mode = (ini['phpjs.parse_url.mode'] &&
            ini['phpjs.parse_url.mode'].local_value) || 'php',
        parser = {
            php: /^(?:([^:\/?#]+):)?(?:\/\/()(?:(?:()(?:([^:@]*):?([^:@]*))?@)?([^:\/?#]*)(?::(\d*))?))?()(?:(()(?:(?:[^?#\/]*\/)*)()(?:[^?#]*))(?:\?([^#]*))?(?:#(.*))?)/,
            strict: /^(?:([^:\/?#]+):)?(?:\/\/((?:(([^:@]*):?([^:@]*))?@)?([^:\/?#]*)(?::(\d*))?))?((((?:[^?#\/]*\/)*)([^?#]*))(?:\?([^#]*))?(?:#(.*))?)/,
            loose: /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/\/?)?((?:(([^:@]*):?([^:@]*))?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/ // Added one optional slash to post-scheme to catch file:/// (should restrict this)
        };
        var m = parser[mode].exec(str),
        uri = {},
        i = 14;
        while (i--) {
            if (m[i]) {
                uri[key[i]] = m[i];
            }
        }
        if (component) {
            return uri[component.replace('PHP_URL_', '').toLowerCase()];
        }
        if (mode !== 'php') {
            var name = (ini['phpjs.parse_url.queryKey'] &&
                ini['phpjs.parse_url.queryKey'].local_value) || 'queryKey';
            parser = /(?:^|&)([^&=]*)=?([^&]*)/g;
            uri[name] = {};
            uri[key[12]].replace(parser, function ($0, $1, $2) {
                if ($1) {
                    uri[name][$1] = $2;
                }
            });
        }
        delete uri.source;
        return uri;
    }
};